diff options
author | Waldemar Brodkorb <wbx@openadk.org> | 2015-02-14 23:04:02 -0600 |
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committer | Waldemar Brodkorb <wbx@openadk.org> | 2015-02-14 23:04:02 -0600 |
commit | e1e46622ac0fce73d802fa4a8a2e83cc25cd9e7a (patch) | |
tree | 2c8d14e4dcc733f4227f0984ed05da5826b13acd /libpthread/linuxthreads/sysdeps/v850/pt-machine.h | |
parent | 6b6ede3d15f04fe825cfa9f697507457e3640344 (diff) |
Revert "resolve merge"
This reverts commit 6b6ede3d15f04fe825cfa9f697507457e3640344.
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/v850/pt-machine.h')
-rw-r--r-- | libpthread/linuxthreads/sysdeps/v850/pt-machine.h | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/libpthread/linuxthreads/sysdeps/v850/pt-machine.h b/libpthread/linuxthreads/sysdeps/v850/pt-machine.h deleted file mode 100644 index 34de63b9f..000000000 --- a/libpthread/linuxthreads/sysdeps/v850/pt-machine.h +++ /dev/null @@ -1,52 +0,0 @@ -/* - * sysdeps/v850/pt-machine.h -- v850-specific pthread definitions - * - * Copyright (C) 2002 NEC Electronics Corporation - * Copyright (C) 2002 Miles Bader <miles@gnu.org> - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License. See the file COPYING.LIB in the main - * directory of this archive for more details. - * - * Written by Miles Bader <miles@gnu.org> - */ - -#ifndef _PT_MACHINE_H -#define _PT_MACHINE_H 1 - -#include <features.h> - -#ifndef PT_EI -# define PT_EI __extern_always_inline -#endif - -/* Get some notion of the current stack. Need not be exactly the top - of the stack, just something somewhere in the current frame. */ -#define CURRENT_STACK_FRAME __stack_pointer -register char *__stack_pointer __asm__ ("sp"); - -#define HAS_COMPARE_AND_SWAP - -/* Atomically: If *PTR == OLD, set *PTR to NEW and return true, - otherwise do nothing and return false. */ -PT_EI int -__compare_and_swap (long *ptr, long old, long new) -{ - unsigned long psw; - - /* disable interrupts */ - __asm__ __volatile__ ("stsr psw, %0; di" : "=&r" (psw)); - - if (likely (*ptr == old)) - { - *ptr = new; - __asm__ __volatile__ ("ldsr %0, psw" :: "r" (psw)); /* re-enable */ - return 1; - } - else - { - __asm__ __volatile__ ("ldsr %0, psw" :: "r" (psw)); /* re-enable */ - return 0; - } -} -#endif /* pt-machine.h */ |